chrysophanic

Chrysophanic

Chrys`o*phan"ic\, a. Pertaining to, or derived from, or resembling, chrysophane.

Chrysophanic acid (Chem.), a yellow crystalline substance extracted from rhubarb, yellow dock, sienna, chrysarobin, etc., and shown to be a derivative of an anthracene. It is used in the treatment of skin diseases; -- called also rhein, rheic acid, rhubarbarin, etc.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Chrysophanic is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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